Structure analysis

Complete 12-Subunit RNA Polymerase II at 3.8 Angstrom

X-ray diffraction
3.8Å resolution
Source organism: Saccharomyces cerevisiae
Assembly composition:
hetero dodecamer (preferred)
Entry contents: 12 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dodecamer
Accessible surface area: 162373.02 Å2
Buried surface area: 64146.27 Å2
Dissociation area: 1,366.86 Å2
Dissociation energy (ΔGdiss): 5.63 kcal/mol
Dissociation entropy (TΔSdiss): 14.98 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-137347
Complex Portal ID: CPX-2662

Macromolecules

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Chain: D
Length: 177 amino acids
Theoretical weight: 20.33 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P20433 (Residues: 4-221; Coverage: 80%)
Gene names: J0654, RPB4, YJL140W
Pfam: RNA polymerase Rpb4
InterPro:
CATH: Growth Hormone; Chain: A;
SCOP: RNA polymerase

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Chain: H
Length: 146 amino acids
Theoretical weight: 16.53 KDa
Source organism: Saccharomyces cerevisiae
UniProt:
  • Canonical: P20436 (Residues: 1-146; Coverage: 100%)
Gene names: RPB8, YOR224C, YOR50-14
Pfam: RNA polymerase Rpb8
InterPro:
CATH: Nucleic acid-binding proteins
SCOP: RNA polymerase

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